Water reducing valve quote

[Mark Simpson]

Any plumbers able to verify that this quote to Reduce Pressure Regulator 3/4" pressure regulator is legit? Existing pressure at 100 psi: Excavate ground in front of water meter in order to install pressure reducing valve and ball valve Install a pressure reducing valve Install a 3/4” brass ball valve - Solid brass body with inline union - Stainless steel internal regulator - Adjustable pressure 25 PSI up to 75 PSI - Integral Stainless steel strainer Valued Price includes: - Turn the water off to the system - Drain water below installation level - Install new reduced pressure regulator - Set pressure to recommended 50-60 PSI - Turn water on & test for leaks Total price $720